54860840 has 32 divisors (see below), whose sum is σ = 123801480. Its totient is φ = 21879552.

The previous prime is 54860833. The next prime is 54860849. The reversal of 54860840 is 4806845.

It can be written as a sum of positive squares in 4 ways, for example, as 50608996 + 4251844 = 7114^2 + 2062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54860840.

It is not an unprimeable number, because it can be changed into a prime (54860849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13082 + ... + 16758.

Almost surely, 2^54860840 is an apocalyptic number.

It is an amenable number.

54860840 is an abundant number, since it is smaller than the sum of its proper divisors (68940640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54860840 is a wasteful number, since it uses less digits than its factorization.

54860840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 54860840 is about 7406.8103796439. The cubic root of 54860840 is about 379.9742364805.

The spelling of 54860840 in words is "fifty-four million, eight hundred sixty thousand, eight hundred forty".